An IBM Open Source Project

Jump on board and work at lightspeed

Build cloud-native apps and microservices while running only what you need. Open Liberty is the most flexible server runtime available to JavaTM developers in this solar system. Here's why.

Launch a sample app

Open Liberty is fast and composable, but don’t take our word for it - try it out!

git clone
cd sample-getting-started
mvn clean package liberty:run-server

Open browser to: http://localhost:9080

Set course for the Open Liberty guides

Your sample app looks great - but what next?

All of the info you need to continue your journey is here, laid out in easy to follow steps and examples. Searching our current selection makes it easy to find the guide that will help make your next project a reality.

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Find your crew

Open Liberty thrives on users' collaboration, contributions and creativity. We invite you to share your expertise with users near and light years away.

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Connect across time and space

Look for updates, news and events on @OpenLibertyIO

Connect with other humans using #OpenLiberty

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